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IMPACTS OF TECHNICAL ENVIRONMENT ON THE ADOPTION OF ORGANIC FERTILIZERS AND BIOPESTICIDES AMONG FARMERS

《农业科学与工程前沿（英文）》 2023年 第10卷 第1期   页码 31-47 doi: 10.15302/J-FASE-2023482

摘要：

● Farmer adoption of organic fertilizer and biopesticides was found to be positively correlated.

关键词： biopesticides     green production     organic fertilizer     technical environment    

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humic substances from the dewatering effluent of thermally treated sludge and its performance as an organicfertilizer

Yuning YANG,Huan LI

《环境科学与工程前沿（英文）》 2016年 第10卷 第3期   页码 578-584 doi: 10.1007/s11783-015-0827-5

摘要： The biologic treatment of the dewatering effluent from thermally treated sludge is difficult due to the high concentration of refractory humic substances. On the other hand, humic substances are an important source of organic fertilizer. In this study, a novel process using ferric coagulant was developed to recover humic substances from dewatering effluent for use as an organic fertilizer. When ferric coagulant was applied to raw dewatering effluent, up to 70% of humic substances were enmeshed by hydrolyzed ferric ions at an optimum pH of 4.5. The proper mass ratio of iron ions to humic substances was 0.6. In the recovered material, humic substances accounted for 24.2% of the total dry solids, and the amount of phosphorus (equivalent phosphorus pentoxide) was 6.2%. Heavy metals and other components all met the legal requirements for organic fertilizer. When the recovered material was applied to soybeans, the germination and growth of the seeds was significantly improved.

关键词： sewage sludge     humic substances     recovery     phosphorus     fertilizer    

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Phosphorus use efficiency and fertilizers: future opportunities for improvements

null

《农业科学与工程前沿（英文）》 2019年 第6卷 第4期   页码 332-340 doi: 10.15302/J-FASE-2019274

摘要：

The continued supply of phosphate fertilizers that underpin global food production is an imminent crisis. The rock phosphate deposits on which the world depends are not only finite, but some are contaminated, and many are located in geopolitically unstable areas, meaning that fundamental changes will have to take place in order to maintain food production for a growing global population. No single solution exists, but a combination of approaches to phosphorus management is required not only to extend the lifespan of the remaining non-renewable rock phosphate reserves, but to result in a more efficient, sustainable phosphorus cycle. Solutions include improving the efficiency of fertilizer applications to agricultural land, alongside a better understanding of phosphorus cycling in soil-plant systems, and the interactions between soil physics, chemistry and biology, coupled with plant traits. Opportunities exist for the development of plants that can access different forms of soil phosphorus (e.g., organic phosphorus) and that use internal phosphorus more efficiently. The development of different sources of phosphorus fertilizers are inevitably required given the finite nature of the rock phosphate supplies. Clear opportunities exist, and it is now important that a concerted effort to make advances in phosphorus use efficiency is prioritized.

关键词： organic phosphorus     phosphorus fertilizer     phosphorus use efficiency     rock phosphate    

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Correction to: Highly degradable chitosan-montmorillonite (MMT) nanocomposite hydrogel for controlled fertilizer

《环境科学与工程前沿（英文）》 2023年 第17卷 第8期 doi: 10.1007/s11783-023-1704-2

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nanocomposite biochar via a novel developed functionalization method to recover phosphate as a potential fertilizer

Nima Kamali, Abdollah Rashidi Mehrabadi, Maryam Mirabi, Mohammad Ali Zahed

《环境科学与工程前沿（英文）》 2020年 第14卷 第4期 doi: 10.1007/s11783-020-1249-6

摘要： Abstract • Nanocomposites were prepared by adding dolomite to vinasse at different ratio. • Textural and morphological features of adsorbents were studied in detail. • CCD based RSM was used for investigation of P ion removal by nanocomposite. • The qm based on Langmuir model for modified vinasse biochar was 178.57 mg/g. • P loaded nanocomposite improved plant growth and could be utilized as P-fertilizer. The effectiveness of phosphate (P) removal from aqueous solutions was investigated by novel low-cost biochars synthesized from vinasse and functionalized with calcined dolomite. The vinasse-derived biochar, synthesized via pyrolysis at different temperatures, showed easy preparation and a large surface area. The novel vinasse biochar nanocomposites were prepared by adding dolomite to the vinasse biochars with different weight percentages (10, 20 and 30%). The characteristics of the prepared materials were identified for further understanding of the inherent adsorption mechanism between P ions and vinasse biochars. Vinasse-dolomite nanocomposite was very effective in the adsorption of P species from aqueous media. The effect of the operational factors on Vinasse-dolomite nanocomposite was explored by applying response surface methodology (RSM). According to RSM results, the optimum condition was achieved to be contact time 90 (min), 250 (mg/L) of P concentration and pH 7. Thermodynamic isotherm and kinetic studies were applied on experimental data to understand the adsorption behavior. The Vinasse-dolomite nanocomposite revealed preferential P species adsorption in the presence of co-existing anions. The P species could be recovered by 1.0 M HCl where the efficiency was not affected up to the fifth cycle. The P-loaded Vinasse-dolomite nanocomposite was successfully tested on a plant; it significantly improved its growth and proved its potency as a P-based fertilizer substitute.

关键词： Biochar     Vinasse     Dolomite     Phosphate     Fertilizer    

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PROPOSED INNOVATION REFORM MODEL FOR THE MINERAL NITROGEN FERTILIZER INDUSTRY IN CHINA TO REDUCE GREENHOUSE

《农业科学与工程前沿（英文）》 2023年 第10卷 第2期   页码 234-247 doi: 10.15302/J-FASE-2022468

摘要：

● The carbon footprint of the nitrogen fertilizer chain has decreased significantly over the last decade.

关键词： carbon accounting     life cycle assessment     policy     product structure    

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nanocomposite biochar via a novel developed functionalization method to recover phosphate as a potential fertilizer

《环境科学与工程前沿（英文）》 2021年 第15卷 第5期 doi: 10.1007/s11783-021-1387-5

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Strategies for improving fertilizer phosphorus use efficiency in Chinese cropping systems

Gu FENG, Jingping GAI, Xionghan FENG, Haigang LI, Lin ZHANG, Keke YI, Jialong LV, Yiyong ZHU, Li TANG, Yilin LI

《农业科学与工程前沿（英文）》 2019年 第6卷 第4期   页码 341-347 doi: 10.15302/J-FASE-2019280

摘要：

A four-year project, entitled “The mechanisms of fraction transformation and high use efficiency of P fertilizer in Chinese cropping systems” commenced in 2017. The project was established to answer three key questions and looked at 17 cropping systems on ten soils. First, we asked what are the dynamics of transformation, fixation and mobilization of P fertilizers in soil-cropping systems? Second, what are the mechanisms of soil-crop-microbe interactions by which P fertilizer can be efficiently used? Third, how to manipulate the processes of P use in cropping systems? The targets of this project are (1) to explore the mechanisms of P fixation, the pathways of loss of P availability and the threshold of migration of fertilizer P in the field; (2) to uncover mechanisms by which soil legacy P is mobilized through root physiological and morphological processes and through arbuscular mycorrhizal fungi and P-solubilizing bacteria in rhizosphere and hyphosphere; (3) to estimate the biological potential of crops for high efficiency P absorption and use; (4) to innovate new approaches for improving the efficiency of P fertilizers. The outcomes will provide theoretical support for setting standards for limitation of P fertilizer application rate in the main cropping zones of China.

关键词： fixation     mobilization     phosphorus fertilizer     rhizosphere     transformations     utilization    

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绿色化的磷复肥生产集成工艺

冯怡生

《中国工程科学》 1999年 第1卷 第1期   页码 58-62

摘要：

磷复肥生产排放的磷石膏废渣堆存占地，污染环境，已成为亟待解决的难题。利用磷石膏制硫酸与水泥，可消除污染，实现硫资源的良性循环，使经济效益、社会效益和环境效益有机统一，促进了磷复肥工业的可持续发展。

关键词： 磷复肥     磷石膏     硫酸     水泥    

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北方旱区农田水肥效应分析

高亚军,李生秀

《中国工程科学》 2002年 第4卷 第7期   页码 74-79

摘要：

结合多年的田间试验研究，对前人诸多研究结果进行了总结和深入分析。结果表明：农田水肥效应大小与试验方法有关，田间试验与模拟试验得到的结论相反。主要原因在于研究中"水"的概念各不相同，从旱棚试验或盆栽试验的结果推断水肥效应与实际情况相距较大。多数情况下，养分亏缺仍是北方旱区作物增产的主要限制因子。灌水的效果取决于土壤底墒、生育期降水、土壤肥力及灌水时期等各种因素。在现有的水资源条件下，提高养分供应水平是北方旱区大部分农田作物增产的主要途径。加强夏闲期降水的蓄积、提高土壤底墒是冬麦区作物高产的重要条件。

关键词： 水肥效应     北方旱区     田间试验     模拟试验    

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料浆法磷铵生产工艺发展与五大磷肥工程改造

钟本和

《中国工程科学》 2004年 第6卷 第6期   页码 22-25

摘要：

针对引进磷酸浓缩工艺生产磷铵的技术不适应我国矿产资源具体情况的难题，开发了料浆法磷铵生产工艺技术，已在21个省区布点推广建设了87套装置，形成生产能力279×104 t/a的规模，占全国磷铵生产能力的60%。最近在贵州瓮福实施料浆法磷铵与引进的传统磷酸浓缩工艺联产的成功，为五大磷肥工程的改造提供了一条新的途径。

关键词： 磷肥     磷铵     料浆法磷铵    

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NITROGEN USE AND MANAGEMENT IN ORCHARDS AND VEGETABLE FIELDS IN CHINA: CHALLENGES AND SOLUTIONS

《农业科学与工程前沿（英文）》 2022年 第9卷 第3期   页码 386-395 doi: 10.15302/J-FASE-2022443

摘要：

● Excessive application of N fertilizers in orchards and vegetable fields (OVFs) in China is particularly common.

关键词： nitrogen fate     nitrogen fertilizer     orchards     vegetable fields    

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非爆炸且不可还原农用硝酸铵的热稳定性评估

汪旭光,沈立晋

《中国工程科学》 2004年 第6卷 第11期   页码 53-57

摘要：

绍了一种测试含能材料热稳定性的新方法——加速度量热仪，并用此法研究了硝酸铵和非爆炸且不可还原农用硝酸铵的热分解过程，得到了绝热分解温度与压力随时间的变化、自加热速率与分解压力随温度的变化曲线，计算了分解动力学参数表观活化能和指前因子，讨论了放热反应系统的热惰性因子对测试结果的影响，表明非爆炸且不可还原农用硝酸铵具有良好的热稳定性、安全性及其热稳定性的提高是爆炸特性得以消除的原因。

关键词： 农用硝酸铵     非爆炸性     不可还原性     加速度量热仪     热稳定性    

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Fertilizer drawn forward osmosis as an alternative to 2nd pass seawater reverse osmosis: Estimation of

《环境科学与工程前沿（英文）》 2021年 第15卷 第6期 doi: 10.1007/s11783-021-1428-0

摘要：

• The boron concentration in diluted DS can satisfy the irrigation water standard.

关键词： Fertilizer drawn forward osmosis (FDFO)     Boron removal     Specific energy consumption (SEC)     Seawater reverse osmosis (SWRO)     Irrigation water production    

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SUSTAINABLE NITROGEN MANAGEMENT FOR VEGETABLE PRODUCTION IN CHINA

《农业科学与工程前沿（英文）》 2022年 第9卷 第3期   页码 373-385 doi: 10.15302/J-FASE-2022455

摘要：

● Sustainable nitrogen management strategies for Chinese vegetable production are summarized.

关键词： enhanced-efficiency nitrogen fertilizer     integrated knowledge and products strategy     nitrogen rate     reactive nitrogen loss     vegetable     yield    

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标题 作者 时间 类型 操作

IMPACTS OF TECHNICAL ENVIRONMENT ON THE ADOPTION OF ORGANIC FERTILIZERS AND BIOPESTICIDES AMONG FARMERS

期刊论文

humic substances from the dewatering effluent of thermally treated sludge and its performance as an organicfertilizer

Yuning YANG,Huan LI

期刊论文

Phosphorus use efficiency and fertilizers: future opportunities for improvements

null

期刊论文

Correction to: Highly degradable chitosan-montmorillonite (MMT) nanocomposite hydrogel for controlled fertilizer

期刊论文

nanocomposite biochar via a novel developed functionalization method to recover phosphate as a potential fertilizer

Nima Kamali, Abdollah Rashidi Mehrabadi, Maryam Mirabi, Mohammad Ali Zahed

期刊论文

PROPOSED INNOVATION REFORM MODEL FOR THE MINERAL NITROGEN FERTILIZER INDUSTRY IN CHINA TO REDUCE GREENHOUSE

期刊论文

nanocomposite biochar via a novel developed functionalization method to recover phosphate as a potential fertilizer

期刊论文

Strategies for improving fertilizer phosphorus use efficiency in Chinese cropping systems

Gu FENG, Jingping GAI, Xionghan FENG, Haigang LI, Lin ZHANG, Keke YI, Jialong LV, Yiyong ZHU, Li TANG, Yilin LI

期刊论文

绿色化的磷复肥生产集成工艺

冯怡生

期刊论文

北方旱区农田水肥效应分析

高亚军,李生秀

期刊论文

料浆法磷铵生产工艺发展与五大磷肥工程改造

钟本和

期刊论文

NITROGEN USE AND MANAGEMENT IN ORCHARDS AND VEGETABLE FIELDS IN CHINA: CHALLENGES AND SOLUTIONS

期刊论文

非爆炸且不可还原农用硝酸铵的热稳定性评估

汪旭光,沈立晋

期刊论文

Fertilizer drawn forward osmosis as an alternative to 2nd pass seawater reverse osmosis: Estimation of

期刊论文

SUSTAINABLE NITROGEN MANAGEMENT FOR VEGETABLE PRODUCTION IN CHINA

期刊论文